Home / 1,216,788.92-1,678,661.31-700,419.26

Finding the Fourth Proportional to 1,216,788.92, 1,678,661.31 and 700,419.26

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Solution

The fourth proportional to 1,216,788.92, 1,678,661.31 and 700,419.26 is: 966,286.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,788.92 : 1,678,661.31 = 700,419.26 : x
  2. Step 2: Convert to fraction form
    1,216,788.92/1,678,661.31 = 700,419.26/x
  3. Step 3: Cross multiply
    1,216,788.92x = 1,678,661.31 × 700,419.26
  4. Step 4: Simplify right side
    1,216,788.92x = 1,175,766,712,540.83
  5. Step 5: Solve for x
    x = 1,175,766,712,540.83/1,216,788.92
  6. Step 6: Final answer
    x = 966,286.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.